TY  - BOOK
AU  - Ratcliffe, J. A.
TI  - Sun,earth and radio: an introduction to the ionosphere and magnetosphere
T2  - World University Library
SN  - 303178949
PY  - 1970///
CY  - London
PB  - Weidenfeld and Nicolson
KW  - Upper AtmosphereMagnetosphereObservatories
ER  -